66063

Appears in sequences

• a(n) = floor(n^m) where m = Sum_{k=1..n} (1/k).at n=20A067038
• Diagonal sums of a Chebyshev number triangle.at n=12A101163
• a(n) = binomial(n,4) - binomial(floor(n/2),4) - binomial(ceiling(n/2),4).at n=38A111385
• a(n) = sqrt(sigma(2*m^2)), where m = A097023(n), i.e., sigma(2*m^2) is a square.at n=8A163764